package com.rickpan.controller;

import com.rickpan.common.Result;
import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.tags.Tag;
import jakarta.servlet.http.HttpServletRequest;
import lombok.extern.slf4j.Slf4j;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.web.bind.annotation.*;

import java.time.LocalDateTime;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
 * 便签文件夹管理Controller（临时实现）
 * 
 * @author RickPan Team
 * @since 2024-01-06
 */
@Slf4j
@RestController
@RequestMapping("/api/note-folders")
@Tag(name = "便签文件夹管理", description = "便签文件夹相关接口")
public class NoteFolderController {

    /**
     * 获取文件夹树
     */
    @GetMapping("/tree")
    @Operation(summary = "获取文件夹树", description = "获取便签文件夹的树形结构")
    public Result<List<Map<String, Object>>> getFolderTree(HttpServletRequest httpRequest) {
        try {
            // TODO: 实现真实的文件夹树查询逻辑
            List<Map<String, Object>> folders = new ArrayList<>();
            
            // 返回模拟数据
            Map<String, Object> folder1 = new HashMap<>();
            folder1.put("id", 1);
            folder1.put("name", "默认分组");
            folder1.put("parentId", null);
            folder1.put("noteCount", 5);
            folder1.put("sortOrder", 0);
            folder1.put("createdAt", LocalDateTime.now().minusDays(30).toString());
            folders.add(folder1);
            
            Map<String, Object> folder2 = new HashMap<>();
            folder2.put("id", 2);
            folder2.put("name", "工作笔记");
            folder2.put("parentId", null);
            folder2.put("noteCount", 3);
            folder2.put("sortOrder", 1);
            folder2.put("createdAt", LocalDateTime.now().minusDays(20).toString());
            folders.add(folder2);
            
            Map<String, Object> folder3 = new HashMap<>();
            folder3.put("id", 3);
            folder3.put("name", "学习资料");
            folder3.put("parentId", null);
            folder3.put("noteCount", 2);
            folder3.put("sortOrder", 2);
            folder3.put("createdAt", LocalDateTime.now().minusDays(10).toString());
            folders.add(folder3);
            
            Map<String, Object> folder4 = new HashMap<>();
            folder4.put("id", 4);
            folder4.put("name", "生活记录");
            folder4.put("parentId", null);
            folder4.put("noteCount", 1);
            folder4.put("sortOrder", 3);
            folder4.put("createdAt", LocalDateTime.now().minusDays(5).toString());
            folders.add(folder4);
            
            return Result.success(folders);
        } catch (Exception e) {
            log.error("获取文件夹树失败", e);
            return Result.error("获取文件夹树失败: " + e.getMessage());
        }
    }

    /**
     * 创建文件夹
     */
    @PostMapping
    @Operation(summary = "创建文件夹", description = "创建新的便签文件夹")
    public Result<Map<String, Object>> createFolder(@RequestBody Map<String, Object> request,
                                                   HttpServletRequest httpRequest) {
        try {
            // TODO: 实现真实的文件夹创建逻辑
            String name = (String) request.get("name");
            Long parentId = request.get("parentId") != null ? 
                Long.valueOf(request.get("parentId").toString()) : null;
            
            Map<String, Object> folder = new HashMap<>();
            folder.put("id", System.currentTimeMillis()); // 临时ID
            folder.put("name", name);
            folder.put("parentId", parentId);
            folder.put("noteCount", 0);
            folder.put("sortOrder", 0);
            folder.put("createdAt", LocalDateTime.now().toString());
            folder.put("updatedAt", LocalDateTime.now().toString());
            
            return Result.success("创建成功", folder);
        } catch (Exception e) {
            log.error("创建文件夹失败", e);
            return Result.error("创建文件夹失败: " + e.getMessage());
        }
    }

    /**
     * 更新文件夹
     */
    @PutMapping("/{folderId}")
    @Operation(summary = "更新文件夹", description = "更新文件夹信息")
    public Result<Map<String, Object>> updateFolder(@PathVariable Long folderId,
                                                   @RequestBody Map<String, Object> request,
                                                   HttpServletRequest httpRequest) {
        try {
            // TODO: 实现真实的文件夹更新逻辑
            String name = (String) request.get("name");
            Long parentId = request.get("parentId") != null ? 
                Long.valueOf(request.get("parentId").toString()) : null;
            
            Map<String, Object> folder = new HashMap<>();
            folder.put("id", folderId);
            folder.put("name", name);
            folder.put("parentId", parentId);
            folder.put("updatedAt", LocalDateTime.now().toString());
            
            return Result.success("更新成功", folder);
        } catch (Exception e) {
            log.error("更新文件夹失败", e);
            return Result.error("更新文件夹失败: " + e.getMessage());
        }
    }

    /**
     * 删除文件夹
     */
    @DeleteMapping("/{folderId}")
    @Operation(summary = "删除文件夹", description = "删除指定文件夹")
    public Result<String> deleteFolder(@PathVariable Long folderId,
                                      HttpServletRequest httpRequest) {
        try {
            // TODO: 实现真实的文件夹删除逻辑
            log.info("删除文件夹: {}", folderId);
            
            return Result.success("删除成功");
        } catch (Exception e) {
            log.error("删除文件夹失败", e);
            return Result.error("删除文件夹失败: " + e.getMessage());
        }
    }
}
